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Finding the Fourth Proportional to 220,303.29, 304,017.80 and 124,828.19

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Solution

The fourth proportional to 220,303.29, 304,017.80 and 124,828.19 is: 172,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,303.29 : 304,017.80 = 124,828.19 : x
  2. Step 2: Convert to fraction form
    220,303.29/304,017.80 = 124,828.19/x
  3. Step 3: Cross multiply
    220,303.29x = 304,017.80 × 124,828.19
  4. Step 4: Simplify right side
    220,303.29x = 37,949,989,557.55
  5. Step 5: Solve for x
    x = 37,949,989,557.55/220,303.29
  6. Step 6: Final answer
    x = 172,262.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.